Sanka Balasuriya

Calculate the functional value at a point.

Simplify logarithmic expressions using rules on logarithms.

Convert degrees to radians and radians to degrees.

Applying trigonometry to find heughts and lengths.

Rearranging a formula

Solve two simultaneous equations.

Expanding and simplifying an expression.

Finding Cosine and Tangent values for an angle if Sine value is given. 

Simplifying algebraic expressions

New version of 30 questions.

Scientific Notation

Solving quadratic equations using the formula

Percentage calculations

Solve a logarithmic expression for an unknown $x$

Finding values which satisfy an inequality.

Finding the values which satisfy an inequality containing two linear factors. 

Simple problem on indices

Functional value of a function at a point. 

Finding domain and range of a given function. 

Adding and Subtracting Fractions

Find the domain of a function.

Composite functions.

Word problem on fractions.

Factoring a quadratic equation

Expanding linear factors

Obtain the equation of a straight line that passes through 2 points.

Find the equation of a straight line parrarell to a given straight line passes through a given point.

Finding the derivative  of a simple polynomial function.

Differentiation

Order of operations